﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace xsf
{
    class Program
    {
        static void Main(string[] args)
        {
        }
    }
    class student
    {
        public int Age { get; }
        internal int Sfz { get; }
        public string Xm { get; }
        static void bji(string [] args)
        {   
        }
        readonly void Wsz(string[] args)
        {
        }
        abstract class kuaile
        {

        }
    }
}
